January weather forecastSpillertown, IL
January
Weather in January
January, the same as December, is an icy winter month in Spillertown, Illinois, with an average temperature ranging between min 26.1°F (-3.3°C) and max 39.6°F (4.2°C).Temperature
January is the month when Spillertown sees the lowest average temperatures, with a high of 39.6°F (4.2°C) and a low of 26.1°F (-3.3°C).Humidity
In Spillertown, the average relative humidity in January is 76%.Rainfall
In Spillertown, during January, the rain falls for 8.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 137.6 rainfall days, and 23.03" (585mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. The months with the most snowfall are January and February, with an average 0.94" (24mm) of accumulated snow.Daylight
In January, the average length of the day in Spillertown is 9h and 54min.On the first day of January in Spillertown, sunrise is at 7:10 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:17 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Spillertown, IL
- Average high temperature in January: 39.6°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Spillertown, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Spillertown, IL
- Average wind speed in January: 9.4mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in January
Spillertown, IL
- Average humidity in January: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Spillertown, IL
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in January
Spillertown, IL
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in January
Spillertown, IL
- Average snowfall in January: 0.94"
The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Spillertown, IL
- Average snowfall days in January: 4.1 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Spillertown, IL
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Spillertown, IL
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in January
Spillertown, IL
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Spillertown, IL
- Average cloud cover in January: 50
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).
Average visibility in January
Spillertown, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
